tantalum
noun
tan·ta·lum
ˈtan-tə-ləm 
: a gray-white ductile acid-resisting metallic element found combined in rare minerals (such as tantalite and columbite) and used especially in electronic components see Chemical Elements Table
Examples of tantalum in a Sentence
Recent Examples on the Web
Smaller volumes of tantalum and niobium, also used in steel alloys and technology, have also been identified in these reserves.
—
Scott L. Montgomery, The Conversation, 11 Mar. 2025
It’s made of tantalum, a material not unfamiliar to the brand.
—Carol Besler, Robb Report, 5 Mar. 2025
The demand for rare-earth minerals such as cobalt, coltan, lithium, and tantalum is driving efforts to source and secure these resources wherever they can be found.
—Michael Albertus, Foreign Affairs, 4 Mar. 2025
The watch from Furlan Marri is a unique variation of its Disco Volante series that features a tantalum case, marking the first time the brand is using this metal.
—Anthony Demarco, Forbes, 24 Feb. 2025
See All Example Sentences for tantalum
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Scott L. Montgomery, The Conversation, 11 Mar. 2025
It’s made of tantalum, a material not unfamiliar to the brand.
—Carol Besler, Robb Report, 5 Mar. 2025
The demand for rare-earth minerals such as cobalt, coltan, lithium, and tantalum is driving efforts to source and secure these resources wherever they can be found.
—Michael Albertus, Foreign Affairs, 4 Mar. 2025
The watch from Furlan Marri is a unique variation of its Disco Volante series that features a tantalum case, marking the first time the brand is using this metal.
—Anthony Demarco, Forbes, 24 Feb. 2025
See All Example Sentences for tantalum
Cite this Entry
“Tantalum.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/tantalum. Accessed 24 Mar. 2025.
Copy CitationKids Definition
tantalum
noun
tan·ta·lum
ˈtant-ᵊl-əm
: a gray-white metallic element found in rare minerals and used especially in electronic devices see element
Medical Definition
tantalum
noun
tan·ta·lum
ˈtant-ᵊl-əm
: a hard ductile gray-white acid-resisting metallic element of the vanadium family found combined in rare minerals and sometimes used in surgical implants and sutures
—symbol Ta
see Chemical Elements Table
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